本文对兰州市3月—17周岁的儿童及青少年1320人,男660人,女660人进行了骨龄研究。
This paper studied the skeletal age of 1320 infants and adolescents of 3 months to 17 years (including 660 males, 660 females) in Lanzhou City.
研究发现,女烟民每吸烟10年,骨矿物质密度就会降低2.3%―3.3%,骨质密度下降会导致骨折和骨质疏松症发病率大增。
Study found that female smokers smoke every 10 years, bone mineral density is reduced by 2.3%-3.3% fall in bone density leading to fractures and osteoporosis incidence rate rose significantly.
方法 研究临床接受骨皮质切开术辅助治疗的正畸患者48例,男14例,女34例。
Methods 48 orthodontic patients were selected, 14 males and 34 females, and they all accepted corticotomy assisted orthodontic treatment.
方法 研究临床接受骨皮质切开术辅助治疗的正畸患者48例,男14例,女34例。
Methods 48 orthodontic patients were selected, 14 males and 34 females, and they all accepted corticotomy assisted orthodontic treatment.
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